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The differentiation of palatal from non-palatal snoring is very important for ENT surgeons trying to determine whether palatal surgery would be curative. At present sleep nasendoscopy is the accepted method. Palatal vibration produces marked modulation of sound loudness at low frequency (below approximately 100 Hz). We calculate a crest factor for the sound(More)
OBJECTIVE To evaluate the speech perception benefits of bilateral implantation for subjects who already have one implant. STUDY DESIGN Repeated measures. PATIENTS Thirty adult cochlear implant users who received their second implant from 1 to 7 years with a mean of 3 years after their first device. Ages ranged from 29 to 82 years with a mean of 57(More)
The science that is encountered by adults, whether through the media or through work contexts, typically presents questions, decisions and the need for prioritisation. There is general agreement that, in order to respond to the questions, decisions and prioritisation, people need to know something about the functioning of science itself. We term this(More)
BACKGROUND During cytokinesis, regulatory signals are presumed to emanate from the mitotic spindle. However, what these signals are and how they lead to the spatiotemporal changes in the cortex structure, mechanics, and regional contractility are not well understood in any system. RESULTS To investigate pathways that link the microtubule network to the(More)
Acknowledgements e research study presented in this report was one of four interrelated projects, exploring the relationship between research and practice in science education, undertaken by the Evidence-based Executive Summary iii 1 Background 1 1.1 Aims 1 1.2 Evidence-based practice 1 1.3 Professional knowledge 2 1.4 Use of research knowledge 4 2(More)
Snoring is a common disorder and may lead to the development of Obstructive Sleep Apnoea (OSA) with its associated hazards. Differentiation of patients with OSA from patients with simple snoring is crucial to the ENT surgeon before selecting treatment. This study aimed to assess the reliability of the Epworth Sleepiness Scale (ESS) to screen for OSA among(More)
Palatal snoring produces explosive peaks of sound at very low frequency (approximately 20 Hz). Using a digital sound trace a ratio of peak amplitude to root mean square amplitude can be calculated. This Peak Factor Ratio is significantly higher for palatal snores than non-palatal snores (P < 0.01). This acoustic method will be useful for selecting patients(More)
BACKGROUND The rabbit model is an ideal means to study the pathogenesis of tuberculosis due to its semblance to the disease in humans. We have previously described the results using a bronchoscopic route of infection with live bacilli as a reliable means of generating lung cavities in sensitized rabbits. The role of sensitization in the development of(More)
Sleep nasendoscopy can be used to identify the site of snoring but questions remain about how well a short assessment during drug-induced sleep reflects the natural condition. To investigate the uniformity of snoring during natural sleep we studied five patients (three men, two women) referred by their GPs for treatment of their snoring. A digital audio(More)